Paper/Spigot-Server-Patches/0125-Improve-Maps-in-item-frames-performance-and-bug-fixe.patch

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2017-05-14 20:05:01 +02:00
From e77006067f56fb55e05d1d378412ef6316111889 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Fri, 29 Apr 2016 20:02:00 -0400
Subject: [PATCH] Improve Maps (in item frames) performance and bug fixes
Maps used a modified version of rendering to support plugin controlled
imaging on maps. The Craft Map Renderer is much slower than Vanilla,
causing maps in item frames to cause a noticeable hit on server performance.
This updates the map system to not use the Craft system if we detect that no
custom renderers are in use, defaulting to the much simpler Vanilla system.
Additionally, numerous issues to player position tracking on maps has been fixed.
diff --git a/src/main/java/net/minecraft/server/EntityHuman.java b/src/main/java/net/minecraft/server/EntityHuman.java
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index b4507fe0c..29c2fd4c9 100644
--- a/src/main/java/net/minecraft/server/EntityHuman.java
+++ b/src/main/java/net/minecraft/server/EntityHuman.java
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@@ -549,6 +549,12 @@ public abstract class EntityHuman extends EntityLiving {
return null;
}
// CraftBukkit end
+ // Paper start - remove player from map on drop
+ if (itemstack.getItem() == Items.FILLED_MAP) {
+ WorldMap worldmap = Items.FILLED_MAP.getSavedMap(itemstack, this.world);
+ worldmap.updateSeenPlayers(this, itemstack);
+ }
+ // Paper stop
ItemStack itemstack1 = this.a(entityitem);
diff --git a/src/main/java/net/minecraft/server/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
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index 10cafe057..1d0d7453a 100644
--- a/src/main/java/net/minecraft/server/EntityTrackerEntry.java
+++ b/src/main/java/net/minecraft/server/EntityTrackerEntry.java
@@ -90,11 +90,11 @@ public class EntityTrackerEntry {
}
// PAIL : rename
- if (this.tracker instanceof EntityItemFrame /*&& this.a % 10 == 0*/) { // CraftBukkit - Moved below, should always enter this block
+ if (this.tracker instanceof EntityItemFrame && this.a % 20 == 0) { // Paper
EntityItemFrame entityitemframe = (EntityItemFrame) this.tracker;
ItemStack itemstack = entityitemframe.getItem();
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- if (this.a % 10 == 0 && itemstack.getItem() instanceof ItemWorldMap) { // CraftBukkit - Moved this.a % 10 logic here so item frames do not enter the other blocks
+ if (itemstack != null && itemstack.getItem() instanceof ItemWorldMap) { // Paper - moved back up
WorldMap worldmap = Items.FILLED_MAP.getSavedMap(itemstack, this.tracker.world);
Iterator iterator = this.trackedPlayers.iterator(); // CraftBukkit
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index 0ddc03507..634f1c28c 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
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@@ -1222,6 +1222,7 @@ public abstract class World implements IBlockAccess {
{
if ( iter.next().trackee == entity )
{
+ map.decorations.remove(entity.getUniqueID()); // Paper
iter.remove();
}
}
diff --git a/src/main/java/net/minecraft/server/WorldMap.java b/src/main/java/net/minecraft/server/WorldMap.java
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index b4296a0fc..5394e37f8 100644
--- a/src/main/java/net/minecraft/server/WorldMap.java
+++ b/src/main/java/net/minecraft/server/WorldMap.java
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@@ -28,6 +28,7 @@ public class WorldMap extends PersistentBase {
public List<WorldMap.WorldMapHumanTracker> i = Lists.newArrayList();
public final Map<EntityHuman, WorldMap.WorldMapHumanTracker> k = Maps.newHashMap(); // Spigot private -> public
public Map<UUID, MapIcon> decorations = Maps.newLinkedHashMap(); // Spigot
+ private org.bukkit.craftbukkit.map.RenderData vanillaRender = new org.bukkit.craftbukkit.map.RenderData(); // Paper
// CraftBukkit start
public final CraftMapView mapView;
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@@ -40,6 +41,7 @@ public class WorldMap extends PersistentBase {
// CraftBukkit start
mapView = new CraftMapView(this);
server = (CraftServer) org.bukkit.Bukkit.getServer();
+ vanillaRender.buffer = colors; // Paper
// CraftBukkit end
}
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@@ -114,6 +116,7 @@ public class WorldMap extends PersistentBase {
}
}
}
+ vanillaRender.buffer = colors; // Paper
}
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@@ -149,6 +152,7 @@ public class WorldMap extends PersistentBase {
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return nbttagcompound;
}
+ public void updateSeenPlayers(EntityHuman entityhuman, ItemStack itemstack) { a(entityhuman, itemstack); } // Paper - OBFHELPER
public void a(EntityHuman entityhuman, ItemStack itemstack) {
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if (!this.k.containsKey(entityhuman)) {
WorldMap.WorldMapHumanTracker worldmap_worldmaphumantracker = new WorldMap.WorldMapHumanTracker(entityhuman);
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@@ -314,6 +318,21 @@ public class WorldMap extends PersistentBase {
public class WorldMapHumanTracker {
+ // Paper start
+ private void addSeenPlayers(java.util.Collection<MapIcon> icons) {
+ org.bukkit.entity.Player player = (org.bukkit.entity.Player) trackee.getBukkitEntity();
+ WorldMap.this.decorations.forEach((uuid, mapIcon) -> {
+ // If this cursor is for a player check visibility with vanish system
+ org.bukkit.entity.Player other = org.bukkit.Bukkit.getPlayer(uuid); // Spigot
+ if (other == null || player.canSee(other)) {
+ icons.add(mapIcon);
+ }
+ });
+ }
+ private boolean shouldUseVanillaMap() {
+ return mapView.getRenderers().size() == 1 && mapView.getRenderers().get(0).getClass() == org.bukkit.craftbukkit.map.CraftMapRenderer.class;
+ }
+ // Paper stop
public final EntityHuman trackee;
private boolean d = true;
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private int e;
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@@ -330,9 +349,12 @@ public class WorldMap extends PersistentBase {
@Nullable
public Packet<?> a(ItemStack itemstack) {
// CraftBukkit start
- org.bukkit.craftbukkit.map.RenderData render = WorldMap.this.mapView.render((org.bukkit.craftbukkit.entity.CraftPlayer) this.trackee.getBukkitEntity()); // CraftBukkit
+ if (!this.d && this.i % 5 != 0) { this.i++; return null; } // Paper - this won't end up sending, so don't render it!
+ boolean vanillaMaps = shouldUseVanillaMap(); // Paper
+ org.bukkit.craftbukkit.map.RenderData render = !vanillaMaps ? WorldMap.this.mapView.render((org.bukkit.craftbukkit.entity.CraftPlayer) this.trackee.getBukkitEntity()) : WorldMap.this.vanillaRender; // CraftBukkit // Paper
java.util.Collection<MapIcon> icons = new java.util.ArrayList<MapIcon>();
+ if (vanillaMaps) addSeenPlayers(icons); // Paper
for ( org.bukkit.map.MapCursor cursor : render.cursors) {
diff --git a/src/main/java/org/bukkit/craftbukkit/map/RenderData.java b/src/main/java/org/bukkit/craftbukkit/map/RenderData.java
index 256a13178..5768cd512 100644
--- a/src/main/java/org/bukkit/craftbukkit/map/RenderData.java
+++ b/src/main/java/org/bukkit/craftbukkit/map/RenderData.java
@@ -5,7 +5,7 @@ import org.bukkit.map.MapCursor;
public class RenderData {
- public final byte[] buffer;
+ public byte[] buffer; // Paper
public final ArrayList<MapCursor> cursors;
public RenderData() {
--
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2.13.0